Science SOL Review # 1 (Physical Science only)

A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?

• heart rate
• type of exercise
• amount of exercise
• time of day exercise occurs

What is the name of this element?

• Helium
• Rubidium
• Hydrogen
• Mercury

In a game of tug-of-war, there is a force pulling to right with 70N and a force pulling to the left with 68N. What will be the resulting motion?

• to the right

• to the left

• no motion

• everyone will move in the direction they are pulling

What does the tool, thermometer, measure?

• Volume
• Length
• Mass
• Temperature

Molly investigated if the age of students caused them to be better drivers. What is the independent variable?

• Type of car
• Skill of driving
• Age of student

When the fuel in a gasoline engine is burned, the energy conversion is from

• chemical to thermal

• thermal to potential

• potential to nuclear

• electrical to kinetic

Why do we want to test one variable at a time?

• Because it is hard to setup a data table with more
• To know what is causing the changes
• It is what has always been done
• No one really knows

A student measures the diameter of a penny in what SI unit should she use?

• Celsius
• Kilogram
• Meter
• Millimeter

That this animal has fur is an...

• inference
• conclusion
• observation
• opinion

In gym class a student kicks a soccer ball high into the air. As the ball goes upward, which type of energy is increasing?

• potential energy

• thermal energy

• kinetic energy

• mechanical enegy